“What is the difference between a squirrel burying acorns across the forest and humans planting potatoes across the globe? Who is master, and who is the servant? Is it the acorn's or potato's idea to be nutritious, or the creature that buries them? Evolution is not about design or will; it is the outcome of constant endeavors made by organisms that want to survive and better themselves. The collective result is intoxicatingly beautiful, rife with oddities, and surprisingly brilliant, yet no agent is in control. Evolution arises from the bottom up--so, too, does hope.”